Author: Jeremiah Penery
Date: 16:58:29 10/07/03
Go up one level in this thread
On October 07, 2003 at 18:48:30, Slater Wold wrote:
>[D]r2br1k1/1b1n2p1/p2pp1Pp/qp6/3BPP2/P1N5/1PPQ4/1K1R1B1R w - -
>
>This game can be over in ~10 moves.
>
>Can you find Bxg7?
This is a modified Crafty that isn't extremely well tuned. I haven't made any
changes in a long time, and it often overvalues attacking chances.
Nevertheless, sometimes it produces good results. :)
depth time score variation (1)
1 0.00 3.47 1. Bxg7
1-> 0.00 3.47 1. Bxg7
2 0.00 ++ 1. Bxg7!!
2 0.00 4.18 1. Bxg7 Kxg7 2. Qxd6
2-> 0.01 4.18 1. Bxg7 Kxg7 2. Qxd6
3 0.01 4.19 1. Bxg7 Kxg7 2. Qg2
3-> 0.01 4.19 1. Bxg7 Kxg7 2. Qg2
4 0.02 4.16 1. Bxg7 Kxg7 2. Qxd6 Nf6
4-> 0.03 4.16 1. Bxg7 Kxg7 2. Qxd6 Nf6
5 0.06 ++ 1. Bxg7!!
5 0.08 4.59 1. Bxg7 Kxg7 2. Qxd6 Bf6 3. Qxd7+ Re7
5-> 0.10 4.59 1. Bxg7 Kxg7 2. Qxd6 Bf6 3. Qxd7+ Re7
6 0.17 4.64 1. Bxg7 Kxg7 2. Qxd6 Bf6 3. Qxd7+ Re7
4. Qd6
6-> 0.24 4.64 1. Bxg7 Kxg7 2. Qxd6 Bf6 3. Qxd7+ Re7
4. Qd6
7 0.37 -- 1. Bxg7
7 0.62 2.37 1. Bxg7 Kxg7 2. Rxh6 Bf6 3. e5 b4 4.
exf6+ Kxh6 5. axb4 Qxb4
7-> 1.87 2.37 1. Bxg7 Kxg7 2. Rxh6 Bf6 3. e5 b4 4.
exf6+ Kxh6 5. axb4 Qxb4
8 2.00 ++ 1. Bxg7!!
8-> 4.22 2.76 1. Bxg7 Kxg7 2. Rxh6 Bf6 3. e5 b4 4.
exf6+ Kxh6 5. axb4 Qxb4
9 5.92 3.00 1. Bxg7 Kxg7 2. Rxh6 Bf6 3. Rh7+ Kxg6
4. Rxd7 Bxc3 5. Qg2+ Kf6 6. Rxb7
9-> 11.17 3.00 1. Bxg7 Kxg7 2. Rxh6 Bf6 3. Rh7+ Kxg6
4. Rxd7 Bxc3 5. Qg2+ Kf6 6. Rxb7
10 14.62 -- 1. Bxg7
10 20.53 2.11 1. Bxg7 Kxg7 2. Rxh6 Kxh6 3. Qh2+ Kxg6
4. f5+ Kf7 5. Qh7+ Kf8 6. fxe6 Be7
7. exd7
10-> 57.02 2.11 1. Bxg7 Kxg7 2. Rxh6 Kxh6 3. Qh2+ Kxg6
4. f5+ Kf7 5. Qh7+ Kf8 6. fxe6 Be7
7. exd7
11 1:07 ++ 1. Bxg7!!
11 1:28 3.88 1. Bxg7 Kxg7 2. Rxh6 Qxc3 3. Qh2 Qxc2+
4. Kxc2 Bxe4+ 5. Bd3 Bxd3+ 6. Rxd3
Rc8+ 7. Kb1 Bf6 8. Ka2
11-> 1:43 3.88 1. Bxg7 Kxg7 2. Rxh6 Qxc3 3. Qh2 Qxc2+
4. Kxc2 Bxe4+ 5. Bd3 Bxd3+ 6. Rxd3
Rc8+ 7. Kb1 Bf6 8. Ka2
12 2:30 3.52 1. Bxg7 Kxg7 2. Rxh6 Kxh6 3. Qh2+ Kxg6
4. Be2 Qxc3 5. Rg1+ Bg5 6. Rxg5+ Kf6
7. Qh6+ Ke7 8. Qh7+ Kd8 9. bxc3
12-> 3:15 3.52 1. Bxg7 Kxg7 2. Rxh6 Kxh6 3. Qh2+ Kxg6
4. Be2 Qxc3 5. Rg1+ Bg5 6. Rxg5+ Kf6
7. Qh6+ Ke7 8. Qh7+ Kd8 9. bxc3
Elapsed Time: 3:16, CPU Time: 3:11, CPU Use: 97%
Nodes: 53162878, Evaluations: 45074113, FH%: 93%, NPS: 271k
EXTENSIONS->
Threat: 3260, Check: 1559001, One Move: 100648
Passed Pawn: 205382, Recapture: 190172
PRUNING-> Futility: 18732556, Razors: 1127980
TABLEBASES-> Probes: 0, Successful: 0
HASHING->
Raw Hits: 20% (1393045/6930829)
Good Hits: 12% (875031/6930829)
Pawn Hits: 99% (44809810/45075363)
Filled: 88%
EXACT Hits: 0% (61)
LOWER Hits: 7% (500224)
UPPER Hits: 1% (121422)
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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